22328493842 has 18 divisors (see below), whose sum is σ = 33757588863. Its totient is φ = 11076653952.

The previous prime is 22328493841. The next prime is 22328493871. The reversal of 22328493842 is 24839482322.

It can be written as a sum of positive squares in 5 ways, for example, as 3317875201 + 19010618641 = 57601^2 + 137879^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105661.

It is a super-3 number, since 3×22328493842³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22328493841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33177218 + ... + 33177890.

Almost surely, 2^22328493842 is an apocalyptic number.

22328493842 is a deficient number, since it is larger than the sum of its proper divisors (11429095021).

22328493842 is an frugal number, since it uses more digits than its factorization.

22328493842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 832 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 47.

The spelling of 22328493842 in words is "twenty-two billion, three hundred twenty-eight million, four hundred ninety-three thousand, eight hundred forty-two".